For researching purpose, I will use the temporary to register tableau online. The tool for generate email is: http://www.mytrashmail.com
You just need to enter your “will be” email into the register form, then click “Register” below and done.
When you have your email ready, go to https://www.tableau.com, and click “Sign In”, ofcourse, you don’t have account yet, so click on “Create an account” on bellow of sign in form
Here, just enter your information with the email you registered on previous step.
Then, click on “Create my account” and wait for its process.
Go to mytrashmail and enter your email here
Click the activation link and now you have access to https://www.tableau.com.
Now, you should try to use the tableau online by click into the link like this:
Check for another email
Now you can try online.tableau with something similar: